.box {
  width: 100%;
  height: 100%;

  .head {
    width: 400px;
    height: 40px;
    position: relative;
    .aa {
      width: 300px;
      height: 40px;
      display: flex;
      border: 1px solid #ccc;
    }
    div {
      width: 110px;
      height: 40px;
      text-align: center;
      line-height: 40px;
    }
    .inp {
      width: 190px;
      height: 40px;
      border: none;
    }
    .btn {
        width: 65px;
        height: 40px;
        text-align: center;
        background: rgb(133, 225, 133);
        color: aliceblue;
        border: 1px solid #ccc;
        position: relative;
        top: -55px;
      }
  }

  line-height: 40px;
}
